Remember, current flow can only be going to take place with the circuit fired up and exercising. Don't forget to operate the circuit when taking your types. However, you can consider few things before buying it. The most important thing is determine where exactly you will run your radio controlled car - on road or off course? The on road Cars would usually run smooth at the roads, but definitely not on stones, grass or hills. For that purpose, you may need to buy the off road version. ...